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Merge pull request #3 from jgdwyer/patch-1 

Update nn-from-scratch.ipynb
pull/5/head
Denny Britz 2016-04-27 21:15:03 -07:00
parent 9f4a767542 5b69dbd5ce
commit eee67dbc7e
1 changed files with 4 additions and 4 deletions
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nn-from-scratch.ipynb
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@ -287,11 +287,11 @@
"$$\n",
"\\begin{aligned}\n",
"& \\delta_3 = y - \\hat{y} \\\\\n",
"& \\delta_2 = (1 - \\tanh^2z_2) \\circ \\delta_3W_2^T \\\\\n",
"& \\delta_2 = (1 - \\tanh^2z_1) \\circ \\delta_3W_2^T \\\\\n",
"& \\frac{\\partial{L}}{\\partial{W_2}} = a_1^T \\delta_3 \\\\\n",
"& \\frac{\\partial{L}}{\\partial{b_2}} = \\delta_3\\\\\n",
"& \\frac{\\partial{L}}{\\partial{W_1}} = x^T \\delta2\\\\\n",
"& \\frac{\\partial{L}}{\\partial{b_1}} = \\delta2 \\\\\n",
"& \\frac{\\partial{L}}{\\partial{W_1}} = x^T \\delta_2\\\\\n",
"& \\frac{\\partial{L}}{\\partial{b_1}} = \\delta_2 \\\\\n",
"\\end{aligned}\n",
"$$"
]
@ -601,4 +601,4 @@
},
"nbformat": 4,
"nbformat_minor": 0
}
}